10

I have two files data.7z.001 and data.7z.002. l tried to extract them using :

7z e asdf data.7z.001

l got this error

   7-Zip [64] 9.20  Copyright (c) 1999-2010 Igor Pavlov  2010-11-18
    p7zip Version 9.20 (locale=en_US.UTF-8,Utf16=on,HugeFiles=on,4 CPUs)
Error:
there is no such archive

and 

7z x /home/Desktop/data.7z.001 -tufd.split -o/home/Desktop/

error :

Error:
Unsupported archive type

and

7z x /home/Desktop/data.7z.001 -tiso.split -o/home/Desktop/

error :

Error:
Unsupported archive type
Improve this question
4
  • 1
    remove the space after -o
    – Zanna ♦
    Dec 21, 2016 at 16:27
  • you mean 7z x data.7z.001 -tufd.split -o/home/Desktop/ ? error is Unsupported archive type
    – heisen
    Dec 21, 2016 at 16:39
  • What's the output of file data.7z.*?
    – David Foerster
    Dec 21, 2016 at 17:11
  • data.7z.001 : 7-zip archive data, version 0.4 data.7z.002 : data
    – heisen
    Dec 21, 2016 at 18:15

2 Answers 2

Reset to default
8 
7z x data.7z.001

7z like that will find the others automatically (002 003 and so on)

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7
  • it works perfectly for data.7z.001 but for data.7z.002 Error: Can not open file as archive
    – heisen
    Dec 21, 2016 at 16:52
  • Can you check the size of the files please? It sounds like it wasn't completed right the creating of the zip files.
    – Adonist
    Dec 21, 2016 at 17:00
  • 104.9 mo for data.7z.001 and 69.7 mo for data.7z.002
    – heisen
    Dec 21, 2016 at 17:02
  • Can you give it a try with:
    – Adonist
    Dec 21, 2016 at 17:10
  • Can you give it a try with: 7zr x data.7z.001 With the 'r' with 7z. Found this option in a few sites but not sure if that will work.
    – Adonist
    Dec 21, 2016 at 17:11
5

I continued getting an "Unknown format" error until doing the following:

7z e file.7z.001 -tsplit
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3
  • 1
    This worked for me, thank you! Option x supports full path. Option e for only names (as in your example). Option t is for testing.
    – Rutrus
    Feb 9, 2021 at 18:45
  • Fixed that. Thanks for the catch!
    – ryanjdillon
    Feb 10, 2021 at 20:07
  • 1
    For SEO’s sake : I got Open ERROR: Can not open the file as [7z] archive ERRORS: Unexpected end of archive Can't open as archive: 1 without -tsplit, worked like a charm with -tsplit.
    – Skippy le Grand Gourou
    Feb 9, 2022 at 8:58

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